Apotex Inc et al. vs. Agios Pharmaceuticals, Inc.

Explore the PTAB proceeding IPR2026-00351 filed by Apotex Inc et al. on 2026-05-18. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00351

Filing Date

2026-05-18

Accorded Filing Date

2026-05-18

Institution Decision Date

2026-09-23

Last Modified Date

2026-10-16

Proceeding Type

IPR

Termination Date

2026-09-23

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Apotex Inc et al.

Represented By

Molenda, Johnet al

Patent Owner / Respondent

Agios Pharmaceuticals, Inc.

Represented By

Chow, Arleneet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 1600 - Biotechnology & Organic Chemistry

Patent Information

1 Patent Involved

Respondent Application Number 16900610

Respondent Patent Number 11878049

External Links

Espacenet

Google Patents

Respondent Inventor Varsha Venkatachalam Iyer et al

Respondent Tech Center TC 1600 - Biotechnology & Organic Chemistry

Address and Attorney/Agent Information

56 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name MCCARTER & ENGLISH, LLP BOSTON

Customer Number 86738

Address 265 Franklin Street, Boston, MA, 02110, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
24419	Gerald Levy	212-609-6897
27026	David Conlin	617-348-1856
31645	Basam Nabulsi	203-399-5920
32470	Thomas Hoover	617-449-6500
32555	James Bollinger	212-704-6000
32615	Mark Giarratana	860-275-6700
33715	John Isacson Jr	202-753-3400
33884	Michael Friscia	973-848-8308
39652	Steven Davis	617-449-6580
41129	Basil Krikelis	302-984-6393
41658	Kathleen Carr	617-348-1857
43040	Kevin Reiner	860-275-6756
46590	David Burns	617-449-6500
46741	Eric Grondahl	860-275-6704
47157	Andrew Vlahos	857-207-2634
47577	Kia Freeman	617-449-6549
47759	Beverly Lubit	973-639-7992
48319	Mark Nikolsky	973-639-6987
50306	Yu Lu	617-449-6500
50445	John Curran	617-449-6500
51619	Lisa Tyner	212-609-6915
52392	Paul Zagar	609-844-3027
53624	Jonathan Sparks	617-449-6500
54689	Jeffrey Safran	302-984-6357
55144	Kathleen Ehrhard	212-588-0800
55450	Jill Mello	617-449-6500
55481	Rona Nardone	617-844-8379
56266	Maria Laccotripe Zacharakis	617-449-6500
56948	Tanya D'Souza	651-275-9838
58063	Matthew Van Eman	617-449-6500
59978	Deborah Nagle	617-449-6500
60821	Jonathan Lovely	617-443-9292
60963	Maneesh Gulati	617-994-0773
61189	Anita Bowles	617-449-6528
61839	Krista Bianco	617-583-5795
62139	Xin Zhang	617-449-6500
63723	Marcie Clarke	617-449-6500
64320	Wei Song	860-961-7158
64507	Mei Bai	617-449-6590
64760	Joseph Ciardi	215-979-3834
65243	Vadim Cherkasov	215-979-3893
66174	Timothy Homlish	973-379-7252
68901	Michael Degrazia	617-449-6585
71564	Elias Vargas	862-294-0999
71771	Zhongyu Wang	631-220-4231
72733	Daniel Weston Jr.	617-449-6518
73381	George Blazeski	617-449-6500
75354	Xiaoyuan Ding	617-951-3055
77041	Alexa Marie Derkasch	973-639-7992
77293	James Alburger	860-275-6785
77797	Coalton Bennett	209-769-8007
78384	Andrew Ehle	857-300-4074
79354	Miao Yu	857-998-1341
79687	Dylan Blumenthal	617-449-6500
80174	Lingling Zhao	518-867-2837
L1397	Thao Nguyen	617-449-6583

Proceeding Documents

Patent Owner's Unopposed Motion to Expunge Confidential Information from the Record MOTION

2026-10-16 FILING PARTY: PATENT OWNER

Download

Director Discretionary Decision: Deny RESPONSE

2026-09-23 FILING PARTY: BOARD

Download

2015

Ex. 2015 - Foy 2025 Exhibit

2026-08-26 FILING PARTY: PATENT OWNER

Download

2012

Ex. 2012 - Modell & Darlison 2008 Exhibit

2026-08-26 FILING PARTY: PATENT OWNER

Download

2019

Ex. 2019 - FDA approves first oral treatment for anemia in thalassemia... (1.5.2026) Exhibit

2026-08-26 FILING PARTY: PATENT OWNER

Download

Apotex Inc et al. vs. Agios Pharmaceuticals, Inc.

Proceeding Overview

Parties & Counsel

Petitioner

Apotex Inc et al.

Represented By

Patent Owner / Respondent

Agios Pharmaceuticals, Inc.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Patent Owner's Unopposed Motion to Expunge Confidential Information from the Record MOTION

Director Discretionary Decision: Deny RESPONSE

Ex. 2015 - Foy 2025 Exhibit

Ex. 2012 - Modell & Darlison 2008 Exhibit

Ex. 2019 - FDA approves first oral treatment for anemia in thalassemia... (1.5.2026) Exhibit

Ex. 2025 - CAPRELSA Prescribing Information (Oct 2018) Exhibit

Ex. 2018 - Grace 2015 Exhibit

Ex. 2017 - Taher & Cappellini 2018 Exhibit

Ex. 2016 - Grace 2018 Exhibit

Ex. 2027 - VENCLEXTA Prescribing Information (May 2019) Exhibit

Ex. 2023 - FDA, Clinical Drug Interaction Studies-Study Design, Data Analysis & Clinical Implications (2017) Exhibit

Ex. 2020 - Agios ENERGIZE Press Release (6.15.2024) Exhibit

Ex. 2014 - Kevin Kuo CV Exhibit

Ex. 2024 - Hakkola 2020 Exhibit

Ex. 2028 - SPRYCEL Prescribing Information (Dec 2018) Exhibit

Ex. 2011 - Kim 2017 Exhibit

Ex. 2022 - FDA, In Vitro Metabolism- and Transporter-Mediated Drug-Drug Interaction Studies (2017) Exhibit

Ex. 2026 - AFINITOR-AFINITOR DISPERZ Prescribing Information (Apr 2018) Exhibit

Ex. 2021 - Rowland & Tozer. Clinical Pharmacokinetics & Pharmacodynamics (EXCERPT) Exhibit

Ex. 2013 - Declaration of Kevin H.M. Kuo, M.D. Exhibit

Patent Owner's Preliminary Response POPR

Petitioner's Opposition To Patent Owner's Brief On Discretionary Denial RESPONSE

Ex. 1023 Exhibit

Ex. 1026 Exhibit

Ex. 1027 Exhibit

Ex. 1020 Exhibit

Ex. 1022 Exhibit

Ex. 1019 Exhibit

Ex. 1024 Exhibit

Ex. 1021 Exhibit

Ex. 1025 Exhibit

Ex. 2007 - Complaint, Agios v. Annora (D. Del. 126-cv-00603) Exhibit

Ex. 2005 - FDA, Orange Book-Approved Drug Products (PYRUKYND) Exhibit

Ex. 2009 - Apotex Website Exhibit

Ex. 2008 - [REDACTED] Declaration of Theodore James Washburn, Jr. Exhibit

Ex. 2001 - File History of USP 11,878,049 (Part 1, 1-248) Exhibit

Ex. 2003 - Comparison of Apotex Petition to Expert Declaration (Ex. 1003) Exhibit

Ex. 2010 - Default Protective Order Exhibit

Ex. 2004 - Apotex April 8 2026 email Exhibit

Ex. 2006 - FDA Orange Book-Approved Drug Products (AQVESME) Exhibit

Ex. 2001 - File History of USP 11,878,049 (Part 2, 249-549) Exhibit

Ex. 2002 - US Patent Appl. Publ. No. US 2020-0277279 A1 Exhibit

Patent Owner's Motion to File Documents Under Seal and for a Protective Order MOTION

Ex. 2001 - File History of USP 11,878,049 (Part 3, 550-1099) Exhibit

Ex. 2001 - File History of USP 11,878,049 (Part 5, 1375-1647) Exhibit

Patent Owner's Brief on Discretionary Denial [REDACTED] RESPONSE

Ex. 2001 - File History of USP 11,878,049 (Part 4, 1100-1374) Exhibit

Petitioner's First Updated Mandatory Notice NOTICE

Patent Owner's Mandatory Notices NOTICE

Patent Owner's Power of Attorney NOTICE

Notice: Notice filing date accorded NOTICE

Notice: Power of Attorney NOTICE

Ex. 1010 Exhibit

Ex. 1017 Exhibit

Ex. 1005 Exhibit

Ex. 1009 Exhibit

Ex. 1014 Exhibit

Ex. 1003 Exhibit

Ex. 1004 Exhibit

Ex. 1015 Exhibit

Ex. 1007 Exhibit

Ex. 1012 Exhibit

Ex. 1011 Exhibit

Ex. 1018 Exhibit

Petition: as filed PETITION